US3279834A - Ball joint seal construction - Google Patents

Ball joint seal construction Download PDF

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US3279834A
US3279834A US359987A US35998764A US3279834A US 3279834 A US3279834 A US 3279834A US 359987 A US359987 A US 359987A US 35998764 A US35998764 A US 35998764A US 3279834 A US3279834 A US 3279834A
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seal
stud
ball joint
annular
socket
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US359987A
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Theodore J Budzynski
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Ford Motor Co
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Ford Motor Co
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
    • F16J15/52—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0666—Sealing means between the socket and the inner member shaft
    • F16C11/0671—Sealing means between the socket and the inner member shaft allowing operative relative movement of joint parts due to flexing of the sealing means

Definitions

  • the present invention relates generally to ball and socket type joints, and more particularly to seal constructions for such joints.
  • Ball and socket joints provide an articulated connection between two relatively movable members. It is common practice to provide joints of this type in'vehicle suspension systems to connect the suspension arms and the wheel spindle. Ball joints are also used in steering linkages.
  • a ball joint usually comprises a spherical or semispherical socket and a stud with a oneor two-piece spherical head that is seated in the socket.
  • the joints are lubricated with grease to permit low friction movement.
  • a boot type seal is usually provided in order to retain the lubricant within the socket and prevent the entry of dirt that might damage the bearing surfaces.
  • a boot seal is formed of a flexible material such as rubber in an annular shape with a small opening at one end surrounding the stud and a large opening surrounding the socket.
  • FIGURE 1 is an elevational view, partly in section, of a portion of a vehicle suspension system having a ball joint seal constructed in accordance with this invention
  • FIGURE 2 is an elevational view, in section, of the seal portion of the suspension assembly of FIGURE 1;
  • FIGURE 3 is an enlarged elevational view showing a portion of the seal and related suspension structure of Y FIGURE 1.
  • FIGURE 1 discloses a portion of a vehicle suspension that includes a wheel spindle and a suspension arm 12.
  • a ball joint assembly 14 rotatably and tiltably connects the spindle 10 with the arm 12.
  • the ball joint assembly 14 includes upper and lower socket portions 16 and 18 that are secured to the end of the arm 12 by rivets 19.
  • a stud member 20 has a shank portion 21 with a hemispherical head 22 at one end that is positioned within the socket portions 16, 18.
  • An annular bearing member 24 cooperates with the head 22 to form the ball portion of the joint.
  • the shank of the stud 20 is fitted in a tapered hole 23 in the wheel spindle 10 and secured by a nut 25.
  • a hat-shaped washer 26 is interposed between the annular bearing member 24 and the head portion 22.
  • the washer 26 forms a bearing to accommodate steering movement of the spindle 10 and the stud 20.
  • a hemispherical internal bearing surface 27 is pro- 3,279,834 Patented Oct. 18, 1966 vided by the socket portion 16 that is slidably engaged by the annular bearing member 24 to accommodate tilting motion of the joint 14 during jounce and rebound suspension movement.
  • a coil spring 28 and a washer 30 preload the joint 14 and keep the bearing surfaces in their proper position.
  • a threaded plug 34 is provided in the end of the socket portion 18 to permit the ball joint assembly 14 to be charged with a lubricant.
  • a flexible boot seal 36 surrounds the socket portion 16 and stud 20. It is the purpose of this seal to retain lubricant within the ball joint assembly 14 and to prevent the entry of water, dirt and other contaminants.
  • the seal 36 is an annular member having a large opening 38 at one end that is surrounded by an enlarged lip 40. This lip 40 is adapted to be secured to the socket portion 16 by a metal retaining ring 42. The body portion of the seal 36 bulges outwardly at 43 so that material is available for flexing during tilting movement.
  • An annular insert member 44 is provided at the upper small opening of the seal 36.
  • Member 44 is molded from a high durometer rubber or plastic material and is cemented or otherwise secured to the body or remaining portion of the seal 36.
  • the insert 44 has a pair of axially spaced apart annular ridges 46 and 48 on its inner surface that engage the shank 21 of the stud 20.
  • the inside diameter of the ridges 46 and 48 is such that they are installed with a press fit.
  • the spindle 10 has a flat downwardly facing surface 50 with a V-shaped groove 52 machined therein.
  • the groove 52 is concentric about the hole 23.
  • the upper end of the insert 44 is provided with a V-shaped ridge 54 that is fitted within the groove 52.
  • the inner face of the V-shaped ridge 54 is molded to have a groove 56 that is sealed by the adjacent surface of the groove 52.
  • An upstanding lip 58 is molded in the body of the rubber boot 36. Lip 58 is spaced outwardly from the ridge 54 of the insert 44 and contacts the surface 50 of the spindle 10.
  • the seal 36 is continuously tapered in thickness from an enlarged upper end where insert 44 is seated to its lower end where it merges with the lip 40.
  • the continuously tapered thickness assures that the bulge 43 will have a comparatively gentle curve without a sharp bend that would lead to early deterioration of the seal when installed in an automobile.
  • rubber seals have had a tendency to crack and otherwise fail where they are creased.
  • This seal construction is effective in preventing the entry of contaminants to the area confined by the body of the seal 36 and in preventing the loss of lubricant.
  • grease is trapped in the groove 56 and in the groove 61) between the ridges 46 and 48.
  • the grease trapped in the grooves 56 and 60 in addition to enhancing the sealing properties, also lubricate the mating surfaces to permit steering motion of the stud 20 and spindle 10.
  • the peripheral lip 58 functions as additional sealing means to prevent the entry of contaminants.
  • a suspension arm, a wheel spindle, a ball joint assembly having a socket part secured to said arm and a stud part secured to said spindle, said spindle having a flat surf-ace generally perpendicular to the axis of said stud and facing said assembly, a flexible boot seal having a large open end secured about said socket part, said seal having a small end, a relatively hard circular member joined to said small end, said member being concentric about said stud and engaging said flat surface, said memher having a pair of axially spaced apart inwardly directed annular ridges slidably engaging the surface of said stud, said fiat surface having a V-shaped annular groove, said member having a generally V-shaped annular ridge portion seated within said V-shaped groove, one face of said ridge portion being provided with an annular grease groove, said grease groove being situated within the V- shaped groove of said surface, said small end having an upstanding lip seal spaced radially outwardly of said ridge portion and engaging said surface.
  • a suspension arm, a wheel spindle, a ball joint assembly having a socket part secured to said arm and a stud part secured to said spindle, said spindle having a flat surface generally perpendicular to the axis of said stud and facing said assembly, a seal having a large open end secured about said socket part, said seal having a small end concentric about said stud and engaging said flat surface, said small end having a pair of axially spaced apart inwardly directed annular ridges slidably engaging the surface of said stud, said flat surface having a V- shaped annular groove, said small end having a generally V-shapcd annular ridge portion seated within said V-shaped groove, one face of said ridge portion being provided with an annular grease groove, said grease groove being situated within the V-shaped groove of said surface, an upstanding lip seal spaced radially outwardly of said ridge portion and engaging said surface.
  • a first element, a second element, a ball joint assembly having a socket part secured to said first element and a stud part secured to said second element, said second element having a flat surface generally perpendicular to the axis of said stud and facing said assembly, a seal having a large open end secured about said socket part, said seal having a small open end concentric about said stud and engaging said flat surface, said small end having a pair of axially spaced apart inwardly directed annular ridges slidably engaging the surface of said stud, said flat surface having a V-shaped annular groove, said small end having a generally V-shaped annular ridge portion seated within said V-shaped groove, an upstanding lip seal spaced radially outwardly of said ridge portion and engaging said surface.
  • An annular boot seal for a ball joint assembly having a socket part and a stud part, said seal having a large open end adapted to be secured about said socket part, said seal having a small open end, said small end having a pair of axially spaced apart inwardly directed annular ridges adapted to slidably engage the surface of said stud, said small end also having a generally V-shaped ups-tanding ridge portion spaced radially outwardly of said annular ridges, the inner face of said ridge portion being provided with an annular grease groove, an upstanding lip seal spaced radially outwardlly of said ridge portion.
  • An annular boot seal for a ball joint assembly having a socket part and a stud part, said seal having a large open end adapted to be secured about said socket part, said seal having a small open end, said small end having a pair of axially spaced apart inwardlly directed relatively rigid annular ridges adapted to slidably engage the surface of said stud, said small end also having a generally V-shaped upstanding rigid ridge portion spaced radially outwardly of said annular ridges, a flexible upstanding lip seal spaced radially outwardly of said ridge portion.

Description

1966 T. J. BUDZYNSKI BALL JOINT SEAL CONSTRUCTION Filed April 15, 1964 ATTORN EY United States Patent 3,279,834 BALL JOINT SEAL CONSTRUCTION Theodore J. Budzynski, Dearborn, Mich. assignor to Ford Motor Company, Dearborn, Mich., a corporation of Delaware Filed Apr. 15, 1964, Ser. No. 359,987 6 Claims. (Cl. 287-90) The present invention relates generally to ball and socket type joints, and more particularly to seal constructions for such joints.
Ball and socket joints provide an articulated connection between two relatively movable members. It is common practice to provide joints of this type in'vehicle suspension systems to connect the suspension arms and the wheel spindle. Ball joints are also used in steering linkages.
A ball joint usually comprises a spherical or semispherical socket and a stud with a oneor two-piece spherical head that is seated in the socket. The joints are lubricated with grease to permit low friction movement. In order to retain the lubricant within the socket and prevent the entry of dirt that might damage the bearing surfaces, a boot type seal is usually provided. A boot seal is formed of a flexible material such as rubber in an annular shape with a small opening at one end surrounding the stud and a large opening surrounding the socket.
In automotive suspension systems, it has become a practice to provide prelubricated ball and socket joints containing a grease of improved quality that will retain good lubricating characteristics for extended usuage beyond the heretofore lOOO-mile servicing. In order to accommodate a ball joint construction having such lubrication, superior means must be provided to retain the grease and to prevent its contamination.
In accordance with this need, it is an object of the present invention to provide a boot type seal for a ball joint having superior sealing characteristics.
Further objects and advantages of the present invention will be more fully comprehended from the following discussion and the accompanying drawings, in which:
FIGURE 1 is an elevational view, partly in section, of a portion of a vehicle suspension system having a ball joint seal constructed in accordance with this invention;
FIGURE 2 is an elevational view, in section, of the seal portion of the suspension assembly of FIGURE 1; and
FIGURE 3 is an enlarged elevational view showing a portion of the seal and related suspension structure of Y FIGURE 1.
Referring now to the drawings for a more complete understanding of the invention, FIGURE 1 discloses a portion of a vehicle suspension that includes a wheel spindle and a suspension arm 12. A ball joint assembly 14 rotatably and tiltably connects the spindle 10 with the arm 12. The ball joint assembly 14 includes upper and lower socket portions 16 and 18 that are secured to the end of the arm 12 by rivets 19.
A stud member 20 has a shank portion 21 with a hemispherical head 22 at one end that is positioned within the socket portions 16, 18. An annular bearing member 24 cooperates with the head 22 to form the ball portion of the joint. The shank of the stud 20 is fitted in a tapered hole 23 in the wheel spindle 10 and secured by a nut 25.
A hat-shaped washer 26 is interposed between the annular bearing member 24 and the head portion 22. The washer 26 forms a bearing to accommodate steering movement of the spindle 10 and the stud 20.
A hemispherical internal bearing surface 27 is pro- 3,279,834 Patented Oct. 18, 1966 vided by the socket portion 16 that is slidably engaged by the annular bearing member 24 to accommodate tilting motion of the joint 14 during jounce and rebound suspension movement.
A coil spring 28 and a washer 30 preload the joint 14 and keep the bearing surfaces in their proper position. A threaded plug 34 is provided in the end of the socket portion 18 to permit the ball joint assembly 14 to be charged with a lubricant.
A flexible boot seal 36 surrounds the socket portion 16 and stud 20. It is the purpose of this seal to retain lubricant within the ball joint assembly 14 and to prevent the entry of water, dirt and other contaminants.
The seal 36 is an annular member having a large opening 38 at one end that is surrounded by an enlarged lip 40. This lip 40 is adapted to be secured to the socket portion 16 by a metal retaining ring 42. The body portion of the seal 36 bulges outwardly at 43 so that material is available for flexing during tilting movement.
An annular insert member 44 is provided at the upper small opening of the seal 36. Member 44 is molded from a high durometer rubber or plastic material and is cemented or otherwise secured to the body or remaining portion of the seal 36. The insert 44 has a pair of axially spaced apart annular ridges 46 and 48 on its inner surface that engage the shank 21 of the stud 20. The inside diameter of the ridges 46 and 48 is such that they are installed with a press fit.
Referring now to FIGURE 3, the spindle 10 has a flat downwardly facing surface 50 with a V-shaped groove 52 machined therein. The groove 52 is concentric about the hole 23. The upper end of the insert 44 is provided with a V-shaped ridge 54 that is fitted within the groove 52. The inner face of the V-shaped ridge 54 is molded to have a groove 56 that is sealed by the adjacent surface of the groove 52.
An upstanding lip 58 is molded in the body of the rubber boot 36. Lip 58 is spaced outwardly from the ridge 54 of the insert 44 and contacts the surface 50 of the spindle 10.
Another feature of this invention is the design of the thickness of the wall of the body of the seal 36. As indicated in FIGURE 2, the seal 36 is continuously tapered in thickness from an enlarged upper end where insert 44 is seated to its lower end where it merges with the lip 40. The continuously tapered thickness assures that the bulge 43 will have a comparatively gentle curve without a sharp bend that would lead to early deterioration of the seal when installed in an automobile. Heretofore, rubber seals have had a tendency to crack and otherwise fail where they are creased.
This seal construction is effective in preventing the entry of contaminants to the area confined by the body of the seal 36 and in preventing the loss of lubricant. When the ball joint assembly 14 is installed in the vehicle between the suspension arm and spindle, grease is trapped in the groove 56 and in the groove 61) between the ridges 46 and 48. The grease trapped in the grooves 56 and 60, in addition to enhancing the sealing properties, also lubricate the mating surfaces to permit steering motion of the stud 20 and spindle 10. The peripheral lip 58 functions as additional sealing means to prevent the entry of contaminants.
Modifications and alterations of this invention may occur to those skilled in the art that will come within the scope and spirit of the following claims.
I claim:
1. A suspension arm, a wheel spindle, a ball joint assembly having a socket part secured to said arm and a stud part secured to said spindle, said spindle having a flat surf-ace generally perpendicular to the axis of said stud and facing said assembly, a flexible boot seal having a large open end secured about said socket part, said seal having a small end, a relatively hard circular member joined to said small end, said member being concentric about said stud and engaging said flat surface, said memher having a pair of axially spaced apart inwardly directed annular ridges slidably engaging the surface of said stud, said fiat surface having a V-shaped annular groove, said member having a generally V-shaped annular ridge portion seated within said V-shaped groove, one face of said ridge portion being provided with an annular grease groove, said grease groove being situated within the V- shaped groove of said surface, said small end having an upstanding lip seal spaced radially outwardly of said ridge portion and engaging said surface.
2. A suspension arm, a wheel spindle, a ball joint assembly having a socket part secured to said arm and a stud part secured to said spindle, said spindle having a flat surface generally perpendicular to the axis of said stud and facing said assembly, a seal having a large open end secured about said socket part, said seal having a small end concentric about said stud and engaging said flat surface, said small end having a pair of axially spaced apart inwardly directed annular ridges slidably engaging the surface of said stud, said flat surface having a V- shaped annular groove, said small end having a generally V-shapcd annular ridge portion seated within said V-shaped groove, one face of said ridge portion being provided with an annular grease groove, said grease groove being situated within the V-shaped groove of said surface, an upstanding lip seal spaced radially outwardly of said ridge portion and engaging said surface.
3. A first element, a second element, a ball joint assembly having a socket part secured to said first element and a stud part secured to said second element, said second element having a flat surface generally perpendicular to the axis of said stud and facing said assembly, a seal having a large open end secured about said socket part, said seal having a small open end concentric about said stud and engaging said flat surface, said small end having a pair of axially spaced apart inwardly directed annular ridges slidably engaging the surface of said stud, said flat surface having a V-shaped annular groove, said small end having a generally V-shaped annular ridge portion seated within said V-shaped groove, an upstanding lip seal spaced radially outwardly of said ridge portion and engaging said surface.
4. A first element, a second element, a ball joint assembiy having a socket part secured to one of said elements and a stud part secured to the other of said elements, said assembly providing an articulated connection between said elements, said other element having a flat surface generally perpendicular to the axis of said stud and facing said assembly, a flexible boo-t seal having a large open end secured about said socket part, said seal having a small end, a relatively hard circular member joined to said small end, said member being con-centric about said stud and engaging said flat surface, said member having a sealing surface slidably engaging said stud, said fiat surface having a V-shaped annular groove, said member having a generally V-shaped annular ridge portion seated within said V-shaped groove, one face of said ridge portion being provided with an annular grease groove, said grease groove being situated within said V- shaped groove.
5. An annular boot seal for a ball joint assembly having a socket part and a stud part, said seal having a large open end adapted to be secured about said socket part, said seal having a small open end, said small end having a pair of axially spaced apart inwardly directed annular ridges adapted to slidably engage the surface of said stud, said small end also having a generally V-shaped ups-tanding ridge portion spaced radially outwardly of said annular ridges, the inner face of said ridge portion being provided with an annular grease groove, an upstanding lip seal spaced radially outwardlly of said ridge portion.
6. An annular boot seal for a ball joint assembly having a socket part and a stud part, said seal having a large open end adapted to be secured about said socket part, said seal having a small open end, said small end having a pair of axially spaced apart inwardlly directed relatively rigid annular ridges adapted to slidably engage the surface of said stud, said small end also having a generally V-shaped upstanding rigid ridge portion spaced radially outwardly of said annular ridges, a flexible upstanding lip seal spaced radially outwardly of said ridge portion.
References Cited by the Examiner UNITED STATES PATENTS 2,921,809 1/1960 Kogstrom. 3,166,333 1/ 1965 Henley. 3,175,834 3/1965 Wallace et al. 3,208,290 9/1965 Mathues et al.
CARL W. TOMLIN, Primary Examiner.
A. V. KUNDRAT, Assistant Examiner.

Claims (1)

  1. 6. AN ANNULAR BOOT SEAL FOR A BALL JOINT ASSEMBLY HAVING A SOCKET PART AND A STUD PART, SAID SEAL HAVING A LARGE OPEN END ADAPTED TO BE SECURED ABOUT SAID SOCKET PART, SAID SEAL HAVING A SMALL OPEN END, SAID SMALL END HAVING A PAIR OF AXIALLY SPACED APART INWARDLY DIRECTED RELATIVELY RIGID ANNULAR RIDGES ADAPTED TO SLIDABLY ENGAGE THE SURFACE OF SAID STUD, SAID SMALL END ALSO HAVING A GENERALLY V-SHAPED UPSTANDING RIGID RIDGE PORTION SPACED
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Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3563564A (en) * 1969-05-21 1971-02-16 Gen Motors Corp Vehicle wheel mounting
FR2582757A1 (en) * 1985-06-03 1986-12-05 Honda Motor Co Ltd PERFECTED JOINT JOINT
US4807490A (en) * 1981-04-01 1989-02-28 Giovanni Foggini Preformed integral coating, particularly for motor vehicle gear shift levers
US4856795A (en) * 1987-07-21 1989-08-15 Chemcast Corporation Multiple durometer shield for ball joint
US5311912A (en) * 1989-06-14 1994-05-17 Hayward Philip F Protective gaiters for joints
US6152641A (en) * 1996-10-07 2000-11-28 Sachsenring Automobiltechnik Ag Ball joint
US6502831B2 (en) * 2001-01-29 2003-01-07 Trw Inc. Ball joint with seal
US20030118395A1 (en) * 2001-03-23 2003-06-26 Olaf Abels Ball- and -socket joint
US6644883B2 (en) * 1999-09-15 2003-11-11 Dana Corporation Secondary sealing element for a boot seal
US20040066015A1 (en) * 2002-07-08 2004-04-08 Kip Kilburn Vehicle suspension system
WO2004076901A2 (en) 2003-02-26 2004-09-10 Delphi Technologies, Inc. Boot with o-ring seal
WO2005098248A1 (en) * 2004-04-08 2005-10-20 Zf Friedrichshafen Ag Sealing bellows
US20050244214A1 (en) * 2002-07-08 2005-11-03 Kilburn Kip K Vehicle suspension system
US20060060359A1 (en) * 2004-09-17 2006-03-23 Baker Hughes Incorporated Metal face seal
US20070048081A1 (en) * 2005-08-25 2007-03-01 James Elterman Dust boot with grease relief passage
US20070059092A1 (en) * 2005-08-25 2007-03-15 James Elterman Dust boot with grease channel
US20090224895A1 (en) * 2008-03-07 2009-09-10 Ballard Claudio R Starter control and indicator system
US20090223318A1 (en) * 2008-03-06 2009-09-10 Ballard Claudio R Gear shift assembly
US20090223437A1 (en) * 2008-03-07 2009-09-10 Ballard Claudio R Gauge having synthetic sapphire lens
US20090274416A1 (en) * 2008-03-07 2009-11-05 Ballard Claudio R Virtual electronic switch system
US20090277707A1 (en) * 2008-05-12 2009-11-12 Ballard Claudio R Electrically propelled vehicle having electric sound-producing blower/cooler
US20090289757A1 (en) * 2008-05-23 2009-11-26 Ballard Claudio R System for remote control using a wap-enabled device
US20100025950A1 (en) * 2004-12-22 2010-02-04 Frank Budde Ball joint, preferably for use in vehicles
US20100082277A1 (en) * 2008-09-30 2010-04-01 Ballard Claudio R Distributed car charging management system and method
US20100319956A1 (en) * 2007-06-06 2010-12-23 Ballard Claudio R Hybrid cable for conveying data and power
US20110010269A1 (en) * 2009-07-07 2011-01-13 Ballard Claudio R Vehicle audio system for producing synthetic engine sound
USD638033S1 (en) 2008-03-07 2011-05-17 Ballard Claudio R Air intake assembly
USD662869S1 (en) 2010-06-01 2012-07-03 Ballard Claudio R Automotive wheel center nut
EP2551536A3 (en) * 2011-07-25 2013-03-06 Jtekt Corporation Ball joint mount structure and ball joint mounting method
US8526311B2 (en) 2007-06-06 2013-09-03 Veedims, Llc System for integrating a plurality of modules using a power/data backbone network
US20130287478A1 (en) * 2012-04-25 2013-10-31 Jtekt Corporation Ball joint
US8976541B2 (en) 2011-08-31 2015-03-10 Potens Ip Holdings Llc Electrical power and data distribution apparatus
US20150337893A1 (en) * 2012-12-19 2015-11-26 Nok Corporation Dust cover for ball joint
WO2018236675A1 (en) * 2017-06-22 2018-12-27 Federal-Mogul Motorparts Llc Improved dust boot for a tie rod end of a sickle bar of a combine and a method of making
US10364838B2 (en) 2016-03-22 2019-07-30 Federal-Mogul Motorparts Llc Boot for a socket assembly
US20210396319A1 (en) * 2018-11-09 2021-12-23 Kaan Holding As Bellow
US11739791B2 (en) * 2018-10-11 2023-08-29 Nok Corporation Ball joint and dust cover

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US2921809A (en) * 1954-03-26 1960-01-19 O & S Bearing & Mfg Co Ball joint seal
US3166333A (en) * 1961-05-18 1965-01-19 Eagle Picher Co Articulated seal
US3175834A (en) * 1961-06-01 1965-03-30 Chrysler Corp Ball joint seal
US3208290A (en) * 1962-10-22 1965-09-28 Gen Motors Corp Ball joint purgeable seal means

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921809A (en) * 1954-03-26 1960-01-19 O & S Bearing & Mfg Co Ball joint seal
US3166333A (en) * 1961-05-18 1965-01-19 Eagle Picher Co Articulated seal
US3175834A (en) * 1961-06-01 1965-03-30 Chrysler Corp Ball joint seal
US3208290A (en) * 1962-10-22 1965-09-28 Gen Motors Corp Ball joint purgeable seal means

Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3563564A (en) * 1969-05-21 1971-02-16 Gen Motors Corp Vehicle wheel mounting
US4807490A (en) * 1981-04-01 1989-02-28 Giovanni Foggini Preformed integral coating, particularly for motor vehicle gear shift levers
FR2582757A1 (en) * 1985-06-03 1986-12-05 Honda Motor Co Ltd PERFECTED JOINT JOINT
US4856795A (en) * 1987-07-21 1989-08-15 Chemcast Corporation Multiple durometer shield for ball joint
US5311912A (en) * 1989-06-14 1994-05-17 Hayward Philip F Protective gaiters for joints
US6152641A (en) * 1996-10-07 2000-11-28 Sachsenring Automobiltechnik Ag Ball joint
US6644883B2 (en) * 1999-09-15 2003-11-11 Dana Corporation Secondary sealing element for a boot seal
US6502831B2 (en) * 2001-01-29 2003-01-07 Trw Inc. Ball joint with seal
US20030118395A1 (en) * 2001-03-23 2003-06-26 Olaf Abels Ball- and -socket joint
US7070355B2 (en) * 2001-03-23 2006-07-04 ZF Lemförder Metallwaren AG Ball- and -socket joint
US20040066015A1 (en) * 2002-07-08 2004-04-08 Kip Kilburn Vehicle suspension system
US20050244214A1 (en) * 2002-07-08 2005-11-03 Kilburn Kip K Vehicle suspension system
WO2004076901A2 (en) 2003-02-26 2004-09-10 Delphi Technologies, Inc. Boot with o-ring seal
EP1599688A2 (en) * 2003-02-26 2005-11-30 Delphi Technologies Inc. Boot with o-ring seal
EP1599688A4 (en) * 2003-02-26 2010-10-27 Delphi Tech Inc Boot with o-ring seal
US20070231060A1 (en) * 2004-04-08 2007-10-04 Zf Friedrichshafen Ag Sealing Bellows
WO2005098248A1 (en) * 2004-04-08 2005-10-20 Zf Friedrichshafen Ag Sealing bellows
US20060060359A1 (en) * 2004-09-17 2006-03-23 Baker Hughes Incorporated Metal face seal
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